The GAGA factor regulatory network: Identification of GAGA factor associated proteins.

TitleThe GAGA factor regulatory network: Identification of GAGA factor associated proteins.
Publication TypeJournal Article
Year of Publication2017
AuthorsLomaev, D, Mikhailova, A, Erokhin, M, Shaposhnikov, AV, Moresco, JJ, Blokhina, T, Wolle, D, Aoki, T, Ryabykh, V, Yates, JR, Shidlovskii, YV, Georgiev, P, Schedl, P, Chetverina, D
JournalPLoS One
Date Published2017
KeywordsAdenosine Triphosphate, Animals, Chromatin, DNA-Binding Proteins, Drosophila, Drosophila Proteins, Electrophoretic Mobility Shift Assay, Mass Spectrometry, Rabbits, Transcription Factors, Two-Hybrid System Techniques

<p>The Drosophila GAGA factor (GAF) has an extraordinarily diverse set of functions that include the activation and silencing of gene expression, nucleosome organization and remodeling, higher order chromosome architecture and mitosis. One hypothesis that could account for these diverse activities is that GAF is able to interact with partners that have specific and dedicated functions. To test this possibility we used affinity purification coupled with high throughput mass spectrometry to identify GAF associated partners. Consistent with this hypothesis the GAF interacting network includes a large collection of factors and complexes that have been implicated in many different aspects of gene activity, chromosome structure and function. Moreover, we show that GAF interactions with a small subset of partners is direct; however for many others the interactions could be indirect, and depend upon intermediates that serve to diversify the functional capabilities of the GAF protein.</p>

Alternate JournalPLoS One
PubMed ID28296955
PubMed Central IDPMC5351981
Grant ListR01 GM043432 / GM / NIGMS NIH HHS / United States